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The Tor network is a widely used system for anonymous communication. However, Tor is known to be vulnerable to attackers who can observe traffic at both ends of the communication path. In this paper, we show that prior attacks are just the tip of the iceberg. We present a suite of new attacks, called Raptor, that can be launched by Autonomous Systems (ASes)(More)
Present a suite of new attacks, called Raptor attacks, that can be launched by Autonomous Systems (ASes) to compromise user anonymity over the Tor network. Design and build countermeasures to defend against active routing attacks on Tor. We propose a new relay selection algorithm to proactively protect Tor users from being affected in an active attack, and(More)
This paper presents a flexible capacitive tactile sensing array based on Flexible Printed Circuit Board(FPCB) technology. Several prototype flexible tactile sensors have been successfully fabricated by using simple processes. The sensing array consists of two flexible printed circuit boards as sensing electrodes and insulation layer between them. This(More)
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